{"version":3,"file":"hooks.mjs","sources":["../../../components/native-scroll/hooks.ts"],"sourcesContent":["import { computed, onMounted, reactive, ref, watch } from 'vue'\n\nimport { isHiddenElement, useManualRef, useMounted, useRtl } from '@vexip-ui/hooks'\nimport { boundRange, debounce, debounceMinor, isElement, multipleFixed } from '@vexip-ui/utils'\nimport { animateScrollTo } from './helper'\n\nimport type { Ref } from 'vue'\nimport type { NativeScrollMode } from './symbol'\n\nexport function useScrollWrapper({\n mode,\n disabled,\n appear,\n scrollX,\n scrollY,\n onResize,\n onBeforeRefresh,\n onAfterRefresh\n}: {\n mode: Ref,\n disabled: Ref,\n appear: Ref,\n // width: Ref,\n // height: Ref,\n scrollX: Ref,\n scrollY: Ref,\n onResize?: (entity: ResizeObserverEntry) => void,\n onBeforeRefresh?: () => void,\n onAfterRefresh?: () => void\n}) {\n const { manualRef, triggerUpdate } = useManualRef()\n\n const { isRtl } = useRtl()\n const syncing = ref(false)\n\n const contentEl = ref()\n\n const content = reactive({\n el: contentEl,\n scrollWidth: 0,\n offsetWidth: 0,\n scrollHeight: 0,\n offsetHeight: 0\n })\n\n // 当前滚动位置\n const x = manualRef(0)\n const y = manualRef(0)\n\n const percentX = manualRef(0)\n const percentY = manualRef(0)\n\n const xScrollLimit = computed(() => {\n return content.el ? content.scrollWidth - content.offsetWidth : 0\n })\n const yScrollLimit = computed(() => {\n return content.el ? content.scrollHeight - content.offsetHeight : 0\n })\n const enableXScroll = computed(() => {\n return (\n !disabled.value &&\n mode.value !== 'vertical' &&\n !!content.el &&\n content.scrollWidth > content.offsetWidth\n )\n })\n const enableYScroll = computed(() => {\n return (\n !disabled.value &&\n mode.value !== 'horizontal' &&\n !!content.el &&\n content.scrollHeight > content.offsetHeight\n )\n })\n const xBarLength = computed(() => {\n if (content.el) {\n return boundRange((content.offsetWidth / (content.scrollWidth || 1)) * 100, 5, 99)\n }\n\n return 35\n })\n const yBarLength = computed(() => {\n if (content.el) {\n return boundRange((content.offsetHeight / (content.scrollHeight || 1)) * 100, 5, 99)\n }\n\n return 35\n })\n\n watch(contentEl, () => {\n computeContentSize()\n })\n watch(scrollX, value => {\n setScrollX(value)\n })\n watch(scrollY, value => {\n setScrollY(value)\n })\n\n function setScrollX(value: number) {\n x.value = boundRange(value, 0, xScrollLimit.value)\n syncScroll()\n }\n\n function setScrollY(value: number) {\n y.value = boundRange(value, 0, yScrollLimit.value)\n syncScroll()\n }\n\n function syncScroll() {\n syncing.value = true\n\n if (content.el) {\n content.el.scrollTo({\n top: y.value,\n left: isRtl.value ? -x.value : x.value,\n behavior: 'instant'\n })\n }\n\n setTimeout(() => {\n syncing.value = false\n }, 0)\n }\n\n const { isMounted } = useMounted()\n\n function computeContentSize() {\n if (!content.el || isHiddenElement(content.el)) return\n\n content.scrollWidth = content.el.scrollWidth\n content.offsetWidth = content.el.offsetWidth\n content.scrollHeight = content.el.scrollHeight\n content.offsetHeight = content.el.offsetHeight\n\n if (mode.value !== 'vertical') {\n setScrollX(!isMounted.value && appear.value ? scrollX.value : x.value || 0)\n }\n\n if (mode.value !== 'horizontal') {\n setScrollY(!isMounted.value && appear.value ? scrollY.value : y.value || 0)\n }\n\n computePercent()\n triggerUpdate()\n }\n\n function computePercent() {\n if (content.el) {\n percentX.value = isRtl.value\n ? -multipleFixed(x.value / (xScrollLimit.value || 1), 100, 2)\n : multipleFixed(x.value / (xScrollLimit.value || 1), 100, 2)\n percentY.value = multipleFixed(y.value / (yScrollLimit.value || 1), 100, 2)\n }\n }\n\n function handleResize(entity: ResizeObserverEntry) {\n refresh()\n onResize?.(entity)\n }\n\n onMounted(() => {\n refresh()\n\n if (appear.value) {\n scrollTo(scrollX.value, scrollY.value)\n }\n })\n\n const refresh = debounceMinor(() => {\n return new Promise(resolve => {\n if (typeof onBeforeRefresh === 'function') {\n onBeforeRefresh()\n }\n\n computeContentSize()\n setTimeout(() => {\n if (typeof onAfterRefresh === 'function') {\n onAfterRefresh()\n }\n\n resolve()\n }, 0)\n })\n })\n\n function scrollTo(clientX: number, clientY: number, duration = 500) {\n return new Promise(resolve => {\n if (!content.el) return\n\n if (!enableXScroll.value || Math.abs(x.value - clientX) < 0.01) {\n clientX = x.value\n }\n\n if (!enableYScroll.value || Math.abs(y.value - clientY) < 0.01) {\n clientY = y.value\n }\n\n animateScrollTo({\n duration,\n el: content.el,\n xFrom: x.value,\n xTo: boundRange(clientX, 0, xScrollLimit.value),\n yFrom: y.value,\n yTo: boundRange(clientY, 0, yScrollLimit.value),\n callback: resolve\n })\n })\n }\n\n function scrollBy(deltaX: number, deltaY: number, duration = 500) {\n return scrollTo(x.value + deltaX, y.value + deltaY, duration)\n }\n\n function scrollToElement(el: string | Element, duration?: number, offset = 0) {\n if (!content.el) return Promise.resolve()\n\n if (typeof el === 'string') {\n el = content.el.querySelector(el)!\n }\n\n if (!isElement(el)) return Promise.resolve()\n\n const wrapperRect = content.el.getBoundingClientRect()\n const elRect = el.getBoundingClientRect()\n\n let clientX = 0\n let clientY = 0\n\n if (mode.value !== 'vertical') {\n clientX = elRect.left - wrapperRect.left + offset\n }\n\n if (mode.value !== 'horizontal') {\n clientY = elRect.top - wrapperRect.top + offset\n }\n\n return scrollTo(clientX, clientY, duration)\n }\n\n return {\n contentEl,\n\n syncing,\n content,\n x,\n y,\n percentX,\n percentY,\n xScrollLimit,\n yScrollLimit,\n enableXScroll,\n enableYScroll,\n xBarLength,\n yBarLength,\n\n handleResize: debounce(handleResize),\n setScrollX,\n setScrollY,\n computePercent,\n refresh,\n scrollTo,\n scrollBy,\n scrollToElement,\n triggerUpdate\n 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